From e09b48316c22fce727bce3c89fa64fc627787e6a Mon Sep 17 00:00:00 2001
From: Heikki Linnakangas <heikki.linnakangas@iki.fi>
Date: Fri, 27 Mar 2015 23:35:16 +0200
Subject: Add index-only scan support to btree_gist.

inet, cidr, and timetz indexes still cannot support index-only scans,
because they don't store the original unmodified value in the index, but a
derived approximate value.
---
 contrib/btree_gist/sql/char.sql | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'contrib/btree_gist/sql/char.sql')

diff --git a/contrib/btree_gist/sql/char.sql b/contrib/btree_gist/sql/char.sql
index 9ae0f1fb3f6..f6eb52e6724 100644
--- a/contrib/btree_gist/sql/char.sql
+++ b/contrib/btree_gist/sql/char.sql
@@ -29,3 +29,9 @@ SELECT count(*) FROM chartmp WHERE a  =  '31b0'::char(32);
 SELECT count(*) FROM chartmp WHERE a >=  '31b0'::char(32);
 
 SELECT count(*) FROM chartmp WHERE a >   '31b0'::char(32);
+
+-- Test index-only scans
+SET enable_bitmapscan=off;
+EXPLAIN (COSTS OFF)
+SELECT * FROM chartmp WHERE a BETWEEN '31a' AND '31c';
+SELECT * FROM chartmp WHERE a BETWEEN '31a' AND '31c';
-- 
cgit v1.2.3

